ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled Exchangers
Price:
Negotiable
MOQ:
200-500KGS
Delivery Time:
45-75 Days (Depend on Customer's Requirement
Brand:
YUHONG
Product Description
ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air-cooled Exchangers
Product Specifications
Bare Tube Specification & Material: ASTM B163 Incoloy 825
Bare Tube Diameter: 8mm-51mm
Fin type: Extruded Fin Tube
Application: Air-cooled Exchangers, Refinery air cooler, Oil coolers, Hydraulic Coolers, and Air Coolers
Product Overview
The ASTM B163 Incoloy 825 Extruded Fin Tube with Aluminum Fin is a premium bimetallic heat transfer solution engineered for extreme environments. It combines a seamless nickel-iron-chromium alloy base tube with integrally extruded aluminum fins through a high-pressure thermal process.
This monolithic structure achieves 98% metallurgical bonding for unmatched thermal efficiency (45% higher than welded fins) and corrosion resistance in acidic, chloridic, and high-temperature applications up to 260°C (500°F).
Chemical & Mechanical Properties
Chemical Composition (Incoloy 825 Base Tube per ASTM B163)
| Element | Content (%) | Key Function |
|---|---|---|
| Nickel (Ni) | 38-46 | Acid resistance |
| Chromium (Cr) | 19.5-23.5 | Oxidation resistance |
| Iron (Fe) | ≥ 22 | Matrix stability |
| Molybdenum (Mo) | 2.5-3.5 | Pitting resistance |
| Copper (Cu) | 1.5-3.0 | Sulfuric acid resistance |
| Titanium (Ti) | 0.6-1.2 | Stabilization |
| Carbon (C) | ≤ 0.05 | Weldability |
Mechanical Properties (System Performance)
| Property | Incoloy 825 Base | Aluminum Fin |
|---|---|---|
| Tensile Strength | ≥ 586 MPa | 186 MPa |
| Yield Strength | ≥ 241 MPa | 145 MPa |
| Max Service Temp. | 540°C | 260°C |
| Corrosion Resistance | ★★★★★ (H₂SO₄, HCl, phosphoric acid) | ★★★☆ (Anodized) |
| Thermal Expansion | 14.0 μm/m*°C | 23.6 μm/m*°C |
Key Applications & Competitive Advantages
- Chemical Processing: Heaters in sulfuric acid regeneration units, HCl coolers
- Marine & Offshore: Seawater-cooled condensers on ships/rigs (resists pitting/crevice corrosion)
- Waste-to-Energy: Boiler tubes in waste incinerators (handles HCl/SO₂ flue gases)
- Oil Refining: Crude oil preheaters in CDU/VDU units
- LNG Processing: Cryogenic heat exchangers (-196°C to 200°C thermal cycling)
Engineering Advantages
- Zero Thermal Barrier: 30% higher heat flux vs. welded fins (per HTRI Journal)
- Fail-Safe Design: Eliminates fin detachment risk in vibration/vacuum service
- Lifecycle Cost Saving: 2x longer service life than carbon steel tubes in HCl vapor
- Customization: Fin height (12-25 mm), thickness (0.8-2.0 mm), and helix angle optimization
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
YUHONG HOLDING GROUP CO., LTD
Location
20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
Contact Person
Sales Dept.